<!DOCTYPE html>
<html>
<head>
    <title>邓析</title>
    <style>
        html{
            font-size: 20px;
        }
        #box{
            width: 37.5rem;
            height: 1066px;
            background: burlywood;
            margin: auto;
            animation: pp 3s;
            position: relative;
            top: 7rem;
            text-align: center;
            line-height: 53.3rem;
        }
        @keyframes pp{
            0%{
                background: chartreuse;
            }
            25%{
                background: cornflowerblue;
                border-radius: 50%;
            }
            50%{
                background: crimson;
                transform: rotateZ(360deg);
            }
            75%{
                background: darkkhaki;
            }
            100%{
                background: red;
            }
        }
        a{
            font-size: 4rem;
            text-decoration: none;
            /* opacity: 0; */
            animation-name: tt;
            animation-delay: 3s;
        }
        @keyframes tt{
            foom{
                opacity: 0;
            }
            to{
                opacity: 1;
            }
        }
        
        
    </style>
</head>
<body>
    <div id="box">
        <a href="http://mr-dengxi7.gitee.io/day8-19.1">邓析</a>
    </div>
</body>
</html>